74221-091LF

Series:	MEG-Array®, MezzSelect™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Connector Type:	Array, Female Sockets
Number of Positions:	400
Pitch:	0.050" (1.27mm)
Number of Rows:	10
Mounting Type:	Surface Mount
Features:	--
Contact Finish:	Gold, GXT™
Contact Finish Thickness:	15.0µin (0.38µm)
Mated Stacking Heights:	4mm, 10mm
Height Above Board:	0.132" (3.35mm)

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Introduction

74221-091LF is a type of rectangular connector array, specifically from the Edge Type, Mezzanine (Board to Board) family. It is an innovative technology designed to provide a reliable electrical connection between two substrates, such as printed circuit boards (PCBs). 74221-091LF is widely used in a variety of electronic products and systems, from sophisticated medical devices to consumer electronics.

Application Field and Working Principle

74221-091LF provides a secure electrical connection between two boards, enabling them to communicate with each other efficiently. As a result, it is ideal for applications such as medical equipment, consumer electronics, and automotive electronics. The use of the 74221-091LF array in medical equipment enables manufacturers to produce reliable and accurate data processing and storage devices. This array also provides a reliable connection to the various controllers and sensors need to ensure proper performance.For consumer electronics, 74221-091LF enables the rapid transfer of data between two circuit boards. This makes it ideal for applications such as CD and DVD players. Additionally, 74221-091LF is commonly found in automotive electronics. By providing a secure connection between the various components, such as the vehicle’s engine, the 74221-091LF array helps ensure that the vehicle functions properly.The working principle of the 74221-091LF array is based on the concept of electrical contact resistance. Electrical contact resistance is the resistance between two contacting surfaces that impedes the flow of electrons. This impedes the flow of electricity and can affect the overall performance of the device. 74221-091LF arrays are designed to provide a low electrical contact resistance, enabling the efficient transfer of electrical signals.To ensure low contact resistance, the electrical contacts of the 74221-091LF array are designed to achieve close contact and minimal spacing between the contacting surfaces. Additionally, the contact surfaces are coated with a special lubricant to reduce surface-to-surface contact friction. This helps minimize the contact resistance and helps ensure reliable electrical transmission.

Conclusion

74221-091LF is an innovative technology designed to provide a reliable electrical connection between two substrates, such as printed circuit boards (PCBs). 74221-091LF is widely used in a variety of electronic products and systems, from sophisticated medical devices to consumer electronics. The working principle of the 74221-091LF array is based on the concept of electrical contact resistance and the contact surfaces are coated with a special lubricant to reduce surface-to-surface contact friction. This helps minimize the contact resistance and helps ensure reliable electrical transmission. This technology is ideal for applications such as medical equipment, consumer electronics, and automotive electronics.

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